<template>
  <div class="app-container">
    <el-row :gutter="20">
      <!-- 部门树 -->
      <el-col :lg="4" :xs="24" class="mb-[12px]">
        <DeptTree ref="deptTreeRef" v-model="queryParams.pid" @node-click="handleQuery" />
      </el-col>
      <el-col :lg="20" :xs="24">
        <div class="search-bar">
          <el-form ref="queryFormRef" :model="queryParams" :inline="true">
            <el-form-item label="关键字" prop="name">
              <el-input v-model="queryParams.name" placeholder="部门名称" @keyup.enter="handleQuery" />
            </el-form-item>

            <!-- <el-form-item label="部门状态" prop="status">
              <el-select v-model="queryParams.status" placeholder="全部" clearable class="!w-[100px]">
                <el-option :value="1" label="正常" />
                <el-option :value="0" label="禁用" />
              </el-select>
            </el-form-item> -->
            <el-form-item>
              <el-button class="filter-item" type="primary" icon="search" @click="handleQuery">
                搜索
              </el-button>
              <el-button icon="refresh" @click="handleResetQuery">重置</el-button>
            </el-form-item>
          </el-form>
        </div>

        <el-card shadow="never">
          <div class="mb-10px">
            <el-button v-hasPerm="['sys:dept:add']" type="success" icon="plus" @click="handleOpenDialog()">
              新增
            </el-button>
            <el-button v-hasPerm="['sys:dept:delete']" type="danger" :disabled="selectIds.length === 0" icon="delete"
              @click="handleDelete()">
              删除
            </el-button>
          </div>
          <!-- :tree-props="{ children: 'children', hasChildren: 'hasChildren' }" -->
          <el-table v-loading="loading" :data="pageData" row-key="id" default-expand-all
            @selection-change="handleSelectionChange">
            <el-table-column type="selection" width="55" align="center" />
            <el-table-column prop="name" label="部门名称" min-width="200" />
            <el-table-column prop="code" label="部门编号" width="200" />
            <!-- <el-table-column prop="status" label="状态" width="100">
              <template #default="scope">
                <el-tag v-if="scope.row.status == 1" type="success">正常</el-tag>
                <el-tag v-else type="info">禁用</el-tag>
              </template>
</el-table-column> -->

            <el-table-column prop="sort" label="排序" width="100" />

            <el-table-column label="操作" fixed="right" align="left" width="200">
              <template #default="scope">
                <el-button v-hasPerm="['sys:dept:add']" type="primary" link size="small" icon="plus"
                  @click.stop="handleOpenDialog(scope.row.id, undefined)">
                  新增
                </el-button>
                <el-button v-hasPerm="['sys:dept:edit']" type="primary" link size="small" icon="edit"
                  @click.stop="handleOpenDialog(scope.row.parentId, scope.row.id)">
                  编辑
                </el-button>
                <el-button v-hasPerm="['sys:dept:delete']" type="danger" link size="small" icon="delete"
                  @click.stop="handleDelete(scope.row.id)">
                  删除
                </el-button>
              </template>
            </el-table-column>
          </el-table>
          <pagination v-if="total > 0" v-model:total="total" v-model:page="queryParams.pageNum"
            v-model:limit="queryParams.pageSize" @pagination="handleQuery" />
        </el-card>
      </el-col>
    </el-row>

    <el-dialog v-model="dialog.visible" :title="dialog.title" width="600px" @closed="handleCloseDialog">
      <el-form ref="deptFormRef" :model="formData" :rules="rules" label-width="80px">
        <el-form-item label="上级部门" prop="pid">
          <el-tree-select v-model="formData.pid" placeholder="选择上级部门" :data="deptOptions" filterable check-strictly
            :render-after-expand="false" />
        </el-form-item>
        <el-form-item label="部门名称" prop="name">
          <el-input v-model="formData.name" placeholder="请输入部门名称" />
        </el-form-item>
        <el-form-item label="部门编号" prop="deptCode">
          <el-input v-model="formData.deptCode" placeholder="请输入部门编号" />
        </el-form-item>
        <el-form-item label="显示排序" prop="ordernum">
          <el-input-number v-model="formData.ordernum" controls-position="right" style="width: 100px" :min="0" />
        </el-form-item>
        <!-- <el-form-item label="部门状态">
          <el-radio-group v-model="formData.status">
            <el-radio :value="1">正常</el-radio>
            <el-radio :value="0">禁用</el-radio>
          </el-radio-group>
        </el-form-item> -->
      </el-form>

      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="handleSubmit">确 定</el-button>
          <el-button @click="handleCloseDialog">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup lang="ts">
defineOptions({
  name: "Dept",
  inheritAttrs: false,
});

import DeptAPI, { DeptVO, DeptForm, DeptQuery } from "@/api/system/dept.api";
import DeptTree from '../user/components/DeptTree.vue'
const deptTreeRef = ref<InstanceType<typeof DeptTree> | null>(null)
const queryFormRef = ref();
const deptFormRef = ref();

const selectIds = ref<number[]>([]);
const queryParams = reactive<DeptQuery>({
  pageNum: 1,
  pageSize: 10,
});

const pageData = ref<DeptVO[]>();
const total = ref(0);
const loading = ref(false);

const dialog = reactive({
  title: "",
  visible: false,
});

const deptList = ref<DeptVO[]>();
const deptOptions = ref<OptionType[]>();
const formData = reactive<DeptForm>({
  pid: "",
  ordernum: 1,
});

const rules = reactive({
  parentId: [{ required: true, message: "上级部门不能为空", trigger: "change" }],
  name: [{ required: true, message: "部门名称不能为空", trigger: "blur" }],
  code: [{ required: true, message: "部门编号不能为空", trigger: "blur" }],
  ordernum: [{ required: true, message: "显示排序不能为空", trigger: "blur" }],
});

// 查询部门
function handleQuery() {
  loading.value = true;
  DeptAPI.getList(queryParams).then((data) => {
    pageData.value = data.list;
    total.value = data.total;
  }).finally(() => {
    loading.value = false;
  });
}

// 重置查询
function handleResetQuery() {
  queryFormRef.value.resetFields();
  handleQuery();
}

// 处理选中项变化
function handleSelectionChange(selection: any) {
  selectIds.value = selection.map((item: any) => item.id);
}

/**
 * 打开部门弹窗
 *
 * @param parentId 父部门ID
 * @param deptId 部门ID
 */
async function handleOpenDialog(parentId?: string, deptId?: string) {
  // 加载部门下拉数据
  const data = await DeptAPI.getOptions();
  deptOptions.value = [
    {
      value: "",
      label: "顶级部门",
      children: data,
    },
  ];

  dialog.visible = true;
  if (deptId) {
    dialog.title = "修改部门";
    DeptAPI.getFormData(deptId).then((data) => {
      Object.assign(formData, data);
    });
  } else {
    dialog.title = "新增部门";
    formData.pid = parentId || "";
  }
}

// 提交部门表单
function handleSubmit() {
  deptFormRef.value.validate((valid: any) => {
    if (valid) {
      loading.value = true;
      const deptId = formData.id;
      if (deptId) {
        DeptAPI.update(deptId, formData)
          .then(() => {
            ElMessage.success("修改成功");
            handleCloseDialog();
            handleQuery();
          })
          .finally(() => (loading.value = false));
      } else {
        DeptAPI.create(formData)
          .then(() => {
            ElMessage.success("新增成功");
            handleCloseDialog();
            handleQuery();
            // 刷新部门树
            handleRefreshDeptTree();
          })
          .finally(() => (loading.value = false));
      }
    }
  });
}

function handleRefreshDeptTree() {
  deptTreeRef.value?.fetchDeptTree()
}

// 删除部门
function handleDelete(deptId?: string) {
  const deptIds = [deptId || selectIds.value].join(",");

  if (!deptIds) {
    ElMessage.warning("请勾选删除项");
    return;
  }
  // 字符串转数组，逗号分隔
  const ids = deptIds.split(",");

  ElMessageBox.confirm("确认删除已选中的数据项?", "警告", {
    confirmButtonText: "确定",
    cancelButtonText: "取消",
    type: "warning",
  }).then(
    () => {
      loading.value = true;
      DeptAPI.deleteByIds(ids)
        .then(() => {
          ElMessage.success("删除成功");
          handleResetQuery();
          handleRefreshDeptTree();
        })
        .finally(() => (loading.value = false));
    },
    () => {
      ElMessage.info("已取消删除");
    }
  );
}

// 重置表单
function resetForm() {
  deptFormRef.value.resetFields();
  deptFormRef.value.clearValidate();

  formData.id = undefined;
  formData.pid = "";
  formData.ordernum = 1;
}

// 关闭弹窗
function handleCloseDialog() {
  dialog.visible = false;
  resetForm();
}

onMounted(() => {
  handleQuery();
});
</script>
